Energy storage and power supply device



FIG. 1 is a front perspective view of an energy storage and power supply device showing our new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The broken lines shown represent unclaimed subject matter and form no part of the claimed design. 

We claim the ornamental design for a energy storage and power supply device, as shown and described. 